Why bats are becoming a primary source of global health threats
In short: Bats possess a unique biological paradox: their immune systems allow them to host massive amounts of viruses without getting sick. However, human-driven environmental crises are now straining this balance, potentially turning these flying mammals into high-frequency sources of the next deadly pandemic.
The relationship between bats and viral pathogens is a critical area of study for global health preparedness. Bats have evolved specialized immune systems that enable them to coexist with a wide array of otherwise harmful viruses. Scientists believe this unique evolutionary trait may be linked to their ability to fly. Consequently, various major diseases such as Nipah, Hendra, Ebola, Marburg, MERS-CoV, SARS-CoV-1 and SARS-CoV-2 are held within bat populations as main hosts.
The mechanism behind these 'spillovers'—where animal pathogens jump into human populations—is increasingly tied to human activity. When humans destroy natural habitats and disrupt food sources, it creates a climate and habitat crisis for bat populations. These environmental stressors can push the bats' immune systems to a breaking point. When their bodies can no longer keep these viruses in check, the burgeoning population of microbes can rain down on other animals and eventually infect humans.
To manage these risks, organizations like the World Health Organization (WHO) maintain lists of pathogens with pandemic potential. These priorities are generally based on two factors: a pathogen's ability to spread and the current human capacity to treat it. For example, the Nipah virus—carried by fruit bats and domestic animals—is noted for its high fatality rate of 40% to 75%. By developing strategic 'blueprints,' researchers aim to move from reactive responses to proactive measures that safeguard global health against these looming threats.
Opens the Intellect+ feed with this card first. Swipe up for the next one.
Sources
- Summary by Intellect · source: Pandemic Nightmare: The Next Deadly Virus Lurking
- Also: How We Can Stop the Next Viral Pandemic
- Also: 9 diseases that keep epidemiologists up at night
To cite this card, link to https://intellectplus.co.uk/app/places-pandemic-nightmare-the-next-deadly-virus-lurking.
How we source, check and correct cards: Editorial standards.
General information, not professional advice. Spotted an error? Flag the card or see corrections and complaints.
Intellect Plus is a visual educational discovery platform for exploring fascinating facts and ideas. Brain Food, Not Brain Rot. What is Intellect Plus?
